Add Luoyang summons scenario

data/campaign/campaign.json

@@ -243,6 +243,11 @@
       "id": "048_jing_province_settlement",
       "title": "Jing Province Settlement",
       "path": "res://data/scenarios/048_jing_province_settlement.json"
+    },
+    {
+      "id": "049_luoyang_summons",
+      "title": "Luoyang Summons",
+      "path": "res://data/scenarios/049_luoyang_summons.json"
     }
   ]
 }